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https://issues.apache.org/jira/browse/FLINK-3319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15346584#comment-15346584
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ASF GitHub Bot commented on FLINK-3319:
---------------------------------------
GitHub user thormanrd opened a pull request:
https://github.com/apache/flink/pull/2155
[FLINK-3319] Added Or function for where clause in CEP Pattern
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/thormanrd/flink feature/FLINK-3319
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2155.patch
To close this pull request, make a commit to your master/trunk branch
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This closes #2155
----
commit e71514574e6e7d5623eaf4e556d708c642ccb6f2
Author: Bob Thorman <[email protected]>
Date: 2016-06-16T12:48:53Z
FLINT-3839 Added the extraction of jar files from a URL spec that is a
directory in the form of file:///path/to/jars/<*>
commit 5705962613ea0e64bfbdfa1b544c3fd8870a4540
Author: Bob Thorman <[email protected]>
Date: 2016-06-22T00:54:02Z
FLINK-3319 Added OrFilterFunction class and the or method to the Pattern
class
commit 771f7029571db0345e0713c93f914ba945690c97
Author: Bob Thorman <[email protected]>
Date: 2016-06-22T13:23:48Z
FLINK-3319 Added or method to scala Pattern class
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> Add or operator to CEP's pattern API
> ------------------------------------
>
> Key: FLINK-3319
> URL: https://issues.apache.org/jira/browse/FLINK-3319
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.0.0
> Reporter: Till Rohrmann
> Assignee: Robert Thorman
> Priority: Minor
>
> Adding an {{or}} operator to CEP's pattern API would be beneficial. This
> would considerably extend the set of supported patterns. The {{or}} operator
> lets you define multiple succeeding pattern states for the next stage.
> {code}
> Pattern.begin("start").next("middle1").where(...).or("middle2").where(...)
> {code}
> In order to implement the {{or}} operator, one has to extend the {{Pattern}}
> class. Furthermore, the {{NFACompiler}} has to be extended to generate two
> resulting pattern states in case of an {{or}} operator.
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